Before enlarging a small mining operation beyond ten acres of surface disturbance in an incorporated area of a county or 20 acres in an unincorporated area of a county, the operator must file a Notice of Intention to Commence Large Mining Operations (FORM MR-LMO) and receive division approval.

KEY: minerals reclamation

Date of Last Change: September 16, 2025

Notice of Continuation: January 24, 2018

Authorizing, and Implemented or Interpreted Law: 40-8-1 et seq.